1. Department of Mathematics, Abdul Wali Khan University, Mardan, Pakistan
2. Department of Computing and Technology, Abasyn University, Peshawar, Pakistan
3. Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University (Jeddah-M), Riyadh, Kingdom of Saudi Arabia
4. Department of mathematics, college of Science, King Khalid University, Abha, Saudi Arabia
5. Department of Mathematics, College of Arts and Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia